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Merge pull request #5 from crossoverJie/feature/stream-20220114
Feature/stream 20220114
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,258 @@ | ||
| package call | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
| "fyne.io/fyne/v2" | ||
| "fyne.io/fyne/v2/container" | ||
| "fyne.io/fyne/v2/theme" | ||
| "fyne.io/fyne/v2/widget" | ||
| "github.com/crossoverJie/ptg/reflect" | ||
| "github.com/golang/protobuf/proto" | ||
| "github.com/jhump/protoreflect/desc" | ||
| "github.com/jhump/protoreflect/dynamic/grpcdynamic" | ||
| "io" | ||
| ) | ||
|
|
||
| type ( | ||
| Call struct { | ||
| parse *reflect.ParseReflect | ||
| responseEntry, requestEntry *widget.Entry | ||
| processBar *widget.ProgressBarInfinite | ||
| mds *desc.MethodDescriptor | ||
| stub grpcdynamic.Stub | ||
| errorHandle errorHandle | ||
| } | ||
| errorHandle func(window fyne.Window, processBar *widget.ProgressBarInfinite, err error) | ||
| ) | ||
|
|
||
| func NewCallBuilder() *Call { | ||
| return &Call{} | ||
| } | ||
| func (c *Call) Parse(parse *reflect.ParseReflect) *Call { | ||
| c.parse = parse | ||
| return c | ||
| } | ||
| func (c *Call) ResponseEntry(responseEntry *widget.Entry) *Call { | ||
| c.responseEntry = responseEntry | ||
| return c | ||
| } | ||
| func (c *Call) Mds(mds *desc.MethodDescriptor) *Call { | ||
| c.mds = mds | ||
| return c | ||
| } | ||
| func (c *Call) Stub(stub grpcdynamic.Stub) *Call { | ||
| c.stub = stub | ||
| return c | ||
| } | ||
| func (c *Call) RequestEntry(requestEntry *widget.Entry) *Call { | ||
| c.requestEntry = requestEntry | ||
| return c | ||
| } | ||
| func (c *Call) ProcessBar(processBar *widget.ProgressBarInfinite) *Call { | ||
| c.processBar = processBar | ||
| return c | ||
| } | ||
| func (c *Call) ErrorHandle(e errorHandle) *Call { | ||
| c.errorHandle = e | ||
| return c | ||
| } | ||
|
|
||
| func (c *Call) Run(ctx context.Context) (string, error) { | ||
| c.responseEntry.SetText("") | ||
| mds := c.mds | ||
| parse := c.parse | ||
| responseEntry := c.responseEntry | ||
| stub := c.stub | ||
| data := c.requestEntry.Text | ||
|
|
||
| if !mds.IsClientStreaming() && !mds.IsServerStreaming() { | ||
| // unary RPC | ||
| rpc, err := parse.InvokeRpc(ctx, stub, mds, data) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| viewCallBack := &unaryCallBack{} | ||
| return viewCallBack.ViewCallBack(rpc, responseEntry), nil | ||
| } | ||
|
|
||
| if !mds.IsClientStreaming() && mds.IsServerStreaming() { | ||
| // server stream | ||
| rpc, err := parse.InvokeServerStreamRpc(ctx, stub, mds, data) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| viewCallBack := &serverStreamCallBack{ | ||
| ch: make(chan proto.Message, 10), | ||
| responseEntry: responseEntry, | ||
| } | ||
| viewCallBack.receive() | ||
| for { | ||
| msg, err := rpc.RecvMsg() | ||
| fmt.Printf("stream call %s \n", msg) | ||
| if err == io.EOF { | ||
| close(viewCallBack.ch) | ||
| } | ||
| if err != nil { | ||
| return "", nil | ||
| } | ||
| viewCallBack.ViewCallBack(msg, responseEntry) | ||
| } | ||
|
|
||
| } | ||
|
|
||
| if mds.IsClientStreaming() && !mds.IsServerStreaming() { | ||
| // client stream | ||
| rpc, err := parse.InvokeClientStreamRpc(ctx, stub, mds) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| w := fyne.CurrentApp().NewWindow("Client stream call") | ||
| w.Resize(fyne.NewSize(300, 100)) | ||
| request := widget.NewMultiLineEntry() | ||
| request.SetText(data) | ||
| var totalRequest string | ||
| requestButton := widget.NewButtonWithIcon("Push", theme.MediaPlayIcon(), func() { | ||
| messages, err := reflect.CreatePayloadsFromJSON(mds, request.Text) | ||
| if err != nil { | ||
| c.errorHandle(w, c.processBar, err) | ||
| return | ||
| } | ||
| rpc.SendMsg(messages[0]) | ||
| totalRequest += request.Text + "\n" | ||
| }) | ||
| finishButton := widget.NewButtonWithIcon("Finish", theme.ConfirmIcon(), func() { | ||
| receive, err := rpc.CloseAndReceive() | ||
| if err != nil { | ||
| c.errorHandle(w, c.processBar, err) | ||
| return | ||
| } | ||
| marshalIndent, _ := json.MarshalIndent(receive, "", "\t") | ||
| c.responseEntry.SetText(string(marshalIndent)) | ||
| w.Close() | ||
| c.requestEntry.SetText(totalRequest) | ||
|
|
||
| }) | ||
| w.SetContent(container.NewVBox(request, requestButton, finishButton)) | ||
| w.CenterOnScreen() | ||
| w.Show() | ||
|
|
||
| } | ||
| if mds.IsClientStreaming() && mds.IsServerStreaming() { | ||
| // bidi stream | ||
| rpc, err := parse.InvokeBidiStreamRpc(ctx, stub, mds) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| w := fyne.CurrentApp().NewWindow("Bidi stream call") | ||
| w.Resize(fyne.NewSize(300, 100)) | ||
| request := widget.NewMultiLineEntry() | ||
| request.SetText(data) | ||
| var totalRequest string | ||
|
|
||
| streamCallBack := bidiStreamCallBack{ | ||
| ch: make(chan proto.Message, 10), | ||
| responseEntry: responseEntry, | ||
| } | ||
| streamCallBack.receive() | ||
|
|
||
| requestButton := widget.NewButtonWithIcon("Push", theme.MediaPlayIcon(), func() { | ||
| messages, err := reflect.CreatePayloadsFromJSON(mds, request.Text) | ||
| if err != nil { | ||
| c.errorHandle(w, c.processBar, err) | ||
| return | ||
| } | ||
| rpc.SendMsg(messages[0]) | ||
| totalRequest += request.Text + "\n" | ||
|
|
||
| receive, _ := rpc.RecvMsg() | ||
| streamCallBack.ViewCallBack(receive) | ||
| }) | ||
| finishButton := widget.NewButtonWithIcon("Finish", theme.ConfirmIcon(), func() { | ||
| err := rpc.CloseSend() | ||
| if err != nil { | ||
| c.errorHandle(w, c.processBar, err) | ||
| return | ||
| } | ||
| w.Close() | ||
| c.requestEntry.SetText(totalRequest) | ||
|
|
||
| }) | ||
| w.SetContent(container.NewVBox(request, requestButton, finishButton)) | ||
| w.CenterOnScreen() | ||
| w.Show() | ||
| } | ||
|
|
||
| return "", nil | ||
| } | ||
|
|
||
| type unaryCallBack struct{} | ||
|
|
||
| func (u unaryCallBack) ViewCallBack(message proto.Message, responseEntry *widget.Entry) string { | ||
| marshalIndent, _ := json.MarshalIndent(message, "", "\t") | ||
| responseEntry.SetText(string(marshalIndent)) | ||
| return string(marshalIndent) | ||
| } | ||
|
|
||
| type serverStreamCallBack struct { | ||
| ch chan proto.Message | ||
| responseEntry *widget.Entry | ||
| } | ||
|
|
||
| func (s *serverStreamCallBack) ViewCallBack(message proto.Message, responseEntry *widget.Entry) string { | ||
| s.ch <- message | ||
| return "" | ||
| } | ||
|
|
||
| func (s *serverStreamCallBack) receive() { | ||
| go func() { | ||
| for { | ||
| select { | ||
| case message, ok := <-s.ch: | ||
| if !ok { | ||
| fmt.Println("break") | ||
| return | ||
| } | ||
| marshalIndent, _ := json.MarshalIndent(message, "", "\t") | ||
| s.responseEntry.SetText(s.responseEntry.Text + string(marshalIndent) + "\n") | ||
| } | ||
| } | ||
| }() | ||
|
|
||
| } | ||
|
|
||
| type clientStreamCallBack struct{} | ||
|
|
||
| func (u clientStreamCallBack) ViewCallBack(message proto.Message, responseEntry *widget.Entry) string { | ||
| marshalIndent, _ := json.MarshalIndent(message, "", "\t") | ||
| responseEntry.SetText(string(marshalIndent)) | ||
| return string(marshalIndent) | ||
| } | ||
|
|
||
| type bidiStreamCallBack struct { | ||
| ch chan proto.Message | ||
| responseEntry *widget.Entry | ||
| } | ||
|
|
||
| func (b bidiStreamCallBack) ViewCallBack(message proto.Message) string { | ||
| b.ch <- message | ||
| return "" | ||
| } | ||
|
|
||
| func (b *bidiStreamCallBack) receive() { | ||
| go func() { | ||
| for { | ||
| select { | ||
| case message, ok := <-b.ch: | ||
| if !ok { | ||
| fmt.Println("break") | ||
| return | ||
| } | ||
| marshalIndent, _ := json.MarshalIndent(message, "", "\t") | ||
| b.responseEntry.SetText(b.responseEntry.Text + string(marshalIndent) + "\n") | ||
| } | ||
| } | ||
| }() | ||
|
|
||
| } |
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